Who owns MAC prefix 28D576?

28D576 is registered to Premier Wireless, Inc. in the IEEE MA-L registry.

What devices use 28D576?

Any network device with a MAC address starting 28:D5:76 was manufactured by or for Premier Wireless, Inc..

MA-L · OUI prefix

Premier Wireless, Inc.

Any MAC address starting 28:D5:76 is registered to Premier Wireless, Inc. in US.

OUI prefix	28D576
Vendor	Premier Wireless, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	28:D5:76:00:00:00

What this means

The IEEE assigned the MA-L block 28D576 to Premier Wireless, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 28:D5:76, it is Premier Wireless, Inc. hardware.

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